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What are the advantages of the 4mm banana plug?

Update:09 Mar 2021

Advantages of 4mm banana plug
1. The newly designed male head shape increases the contact surface area and can plug in a larger current.
2. 5.5 Common male and female plugs are made of A-grade brass international standard copper material, which meets international production standards.
3. The 4mm banana plug is plated with 24K real gold, and the thickness reaches 1μm. The coating will not fall after a thousand times of plugging and unplugging. The thickness of the falling coating plays a good guarantee and prevents oxidation. It effectively extends the service life of the plug.
Product name Power system connector product specification 5.5mm.
4mm banana plug body material/plated brass gold-plated insulator material.